

extern std::map <std::string, int> g_sy_to_id; 
extern std::map <std::string,int> g_tone_to_id; 
extern std::map <std::string,int> g_syllable_flag_to_id;
extern std::map <std::string,int> g_word_segment_to_id;
extern std::map <std::string,int> g_emo_category_to_id;
